x/website: change Handle to HandleFunc in routing-enhancements blog post

[rwxrob]

What is the URL of the page with the issue?

https://go.dev/blog/routing-enhancements

What is your user agent?

Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.0.0 Safari/537.36

Screenshot

What did you do?

Read the docs. The reference to "handlePost" function suggests that the second argument is, in fact, a function and not a struct. Therefore, HandleFunc would be called instead.

What did you expect to see?

HandleFunc

What did you see instead?

Handle

[mknyszek]

CC @jba

[gopherbot]

Change https://go.dev/cl/571275 mentions this issue: _content/blog: fix function name in routing post